MNM-2B-5 炭素ネットワークで形成された界面の原子スケール摩擦・摩耗(セッション 2B マイクロ・ナノトライボロジー)

概要

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Recently carbon materials have attracted many attentions as electronic, magnetic, optical and mechanical devices. We have so far numerically studied tribology of the carbon materials, particularly atomic-scale friction and wear at carbon interfaces formed by graphene, fullerene, and carbon nanotube by molecular mechanics simulations. First atomic-scale wear of graphene/graphene interface induced by friction-force microscopy tip is investigated. The transition from the nano-tip state to the graphene-tip state is revealed. Next, during the peeling process of the graphene sheet from the graphite surface, the effect of the superlubricity on the peeling process is clarified. Lastly we found the characteristic superlubricity and anisotropy of the graphene/C_<60> interface.
2010-10-12